1638528045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1\times {\mathrm{1889}}^1$

素因数の和:2666

約数の個数: 64

約数和(自身を含む): 3274629120

約数和(自身を除く): 1636101075

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 751, 1155, 1889, 2253, 3755, 5257, 5667, 8261, 9445, 11265, 13223, 15771, 20779, 24783, 26285, 28335, 39669, 41305, 57827, 62337, 66115, 78855, 103895, 123915, 145453, 173481, 198345, 289135, 311685, 436359, 727265, 867405, 1418639, 2181795, 4255917, 7093195, 9930473, 15605029, 21279585, 29791419, 46815087, 49652365, 78025145, 109235203, 148957095, 234075435, 327705609, 546176015, 1638528045]

約数ペア:

[(1, 1638528045), (3, 546176015), (5, 327705609), (7, 234075435), (11, 148957095), (15, 109235203), (21, 78025145), (33, 49652365), (35, 46815087), (55, 29791419), (77, 21279585), (105, 15605029), (165, 9930473), (231, 7093195), (385, 4255917), (751, 2181795), (1155, 1418639), (1889, 867405), (2253, 727265), (3755, 436359), (5257, 311685), (5667, 289135), (8261, 198345), (9445, 173481), (11265, 145453), (13223, 123915), (15771, 103895), (20779, 78855), (24783, 66115), (26285, 62337), (28335, 57827), (39669, 41305)]